`ls` and `cat` in a single program

_ ce0327fe57 half-I/O cat		2025-03-21 01:15:10 -05:00
src	half-I/O cat	2025-03-21 01:15:10 -05:00
.gitignore	it could definitely work	2025-03-21 00:03:03 -05:00
Cargo.lock	in-process cat impl	2025-03-21 01:10:10 -05:00
Cargo.toml	in-process cat impl	2025-03-21 01:10:10 -05:00